erroneous

adjectivedefinition: containing or based on error; incorrect; mistaken.example:The police acted on an erroneous assumption that the killer was a male.example: To their chagrin, the researchers discovered that their original interpretation of their findings was erroneous.(more…)

subsequently

adverbdefinition: at a time following some prior time or event; afterwards.example:They met in 1942, and subsequently they were married.example:The elderly father was moved from the house to a nursing home; subsequently, the son sold the property to a young couple.(more…)